The SMAJ51A TVS Diode from RUILON is a high-performance 400W transient voltage suppressor designed to protect sensitive electronic circuits from voltage transients, lightning surges, and electrostatic discharge (ESD). Featuring a 51V stand-off voltage, this device is ideal for higher-voltage applications, offering improved protection margins compared to lower-voltage TVS diodes while preventing unnecessary triggering during normal operation. Built with advanced silicon avalanche technology, it ensures ultra-fast response time, low leakage current, and precise clamping characteristics, making it highly effective in safeguarding critical components.
Engineered for durability and reliability, the SMAJ51A can handle high peak pulse currents under 8/20µs surge conditions, delivering excellent thermal performance and consistent protection even in demanding environments. Its high surge absorption capability helps extend system lifespan and enhances overall circuit stability.
Housed in the industry-standard SMA (DO-214AC) surface-mount package, this diode supports compact PCB layouts and automated assembly processes. Its space-efficient design makes it suitable for modern electronic devices requiring both performance and miniaturization.
The SMAJ51A is widely used in power supplies, automotive electronics, industrial control systems, telecommunications equipment, and consumer electronics, ensuring dependable protection against transient overvoltage events. It is an excellent choice for engineers seeking compact, efficient, and reliable surge protection solutions.
Key Specifications:
- Part Number: SMAJ51A
- Peak Pulse Power Dissipation: 400W (8/20µs)
- Stand-off Voltage (VRWM): 51V
- Breakdown Voltage: ~56.7V – 62.7V
- Clamping Voltage: ~82.4V
- Response Time: Picoseconds
- Leakage Current: Low
- Package: SMA / DO-214AC
- Type: Unidirectional TVS Diode
Applications:
- Power supply surge protection
- Automotive electronic systems
- Industrial control equipment
- Telecom and networking devices
- Consumer electronics
Key Features:
- 400W peak pulse power capability
- Ultra-fast transient response
- Low leakage current for improved efficiency
- Accurate and stable clamping performance
- High thermal stability and reliability
- Compact SMA package for space-saving PCB design
- Suitable for high-voltage protection applications
